CVE-2023-27830

CVSS 9 CRITICALEPSS 1.1%CWE-269

Vexday Risk Score

28Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 9EPSS 1.1%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

12 Apr 2023Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

TightVNC before v2.8.75 allows attackers to escalate privileges on the host operating system via replacing legitimate files with crafted files when executing a file transfer. This is due to the fact that TightVNC runs in the backend as a high-privileges account.

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

Affected products

n/a · n/a

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References

https://medium.com/nestedif/vulnerability-disclosure-privilege-escalation-tightvnc-8165208cce https://www.tightvnc.com/news.php https://www.tightvnc.com/whatsnew.php